【20 天 (結果變5天) 來 Skim + Scan (03)：一頁書心得 (數商)】
https://www.penana.com/article/1649263
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因為時間關係，我把 20 本縮減為 5 本。
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Day 23 ～ Day 27，我會列出五本會計學/數學相關書籍，從裡頭擷取一頁 (結果超過一頁～) 內容，然後寫一個小小的心得。
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from 博客來網路書店・我的電子書櫃「日記創挑書單」
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今天這本書是《真希望高中數學這樣教：系列暢銷20萬冊！跟著東大教授的解題祕訣，6天掌握高中數學關鍵》，作者是西成活裕, 鄉和貴，譯者是張郁萱。
https://www.books.com.tw/products/E050113778
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目錄
前言120Please respect copyright.ＰＥＮＡＮＡw3mlnFFjYM
登場人物介紹120Please respect copyright.ＰＥＮＡＮＡDYAsfmBzPx
120Please respect copyright.ＰＥＮＡＮＡKGCxS8zjUU
第一天 數學的樂趣在哪裡？120Please respect copyright.ＰＥＮＡＮＡIufmJKqwbx
第一課 其實並不可怕的高中數學120Please respect copyright.ＰＥＮＡＮＡWGis3Aop5r
好想學真正實用的數學！120Please respect copyright.ＰＥＮＡＮＡMV87AyX7Xa
高中數學比國中數學還簡單！？120Please respect copyright.ＰＥＮＡＮＡWiWbQtB5my
120Please respect copyright.ＰＥＮＡＮＡLgAzcox3Jf
第二課 超精簡的創新數學課！120Please respect copyright.ＰＥＮＡＮＡgHJcpsBUAQ
果斷刪去八成教科書內容！120Please respect copyright.ＰＥＮＡＮＡp2OPjGNeqg
世界首創！「西成流」數學分類法120Please respect copyright.ＰＥＮＡＮＡWf0dIJe105
高中數學中最輕鬆的是「代數」120Please respect copyright.ＰＥＮＡＮＡtxNWAxPUZm
高中數學的顛峰是「微分積分」120Please respect copyright.ＰＥＮＡＮＡoonznMDEVF
超好用的工具「餘弦定理」120Please respect copyright.ＰＥＮＡＮＡrEKXYlnyJj
真正的幾何大魔王是「向量」120Please respect copyright.ＰＥＮＡＮＡEMnIZSHoQZ
Column文組無法理解數學的理由120Please respect copyright.ＰＥＮＡＮＡ2CmQNz0eUD
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第二天 輕鬆致勝！搞懂「代數」就能精通高中文組數學！！120Please respect copyright.ＰＥＮＡＮＡXzHD27Az96
第一課 速速學會統計學基礎120Please respect copyright.ＰＥＮＡＮＡYCPLxf4WOX
數據處理的3大必備條件120Please respect copyright.ＰＥＮＡＮＡtds1F8HTk7
為什麼增加個數很好用？120Please respect copyright.ＰＥＮＡＮＡsFt85vMR54
「排列組合」是指什麼？120Please respect copyright.ＰＥＮＡＮＡbYUkHv4wZs
看離散程度的「標準差」120Please respect copyright.ＰＥＮＡＮＡOFMY3Pyfv9
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第二課 記住「數列相加」的方法120Please respect copyright.ＰＥＮＡＮＡ42RY0A8zkk
天才高斯少年發現的「倒序相加」120Please respect copyright.ＰＥＮＡＮＡ7wwJr7qFQk
超好用！任何等差數列都能用120Please respect copyright.ＰＥＮＡＮＡSQRPgWDqjT
嚴禁直接死背公式！120Please respect copyright.ＰＥＮＡＮＡOnkH7AbACn
導出等差數列和的公式120Please respect copyright.ＰＥＮＡＮＡcoIwHM6Dre
豐臣秀吉被擺了一道！數學變黃金的故事120Please respect copyright.ＰＥＮＡＮＡsnFZsXnNhQ
等比數列是「相乘後錯位相減」120Please respect copyright.ＰＥＮＡＮＡTZ9Kgd2dOU
導出等比數列和的公式120Please respect copyright.ＰＥＮＡＮＡ8gkxzggxA8
先知道處理數列和的符號！120Please respect copyright.ＰＥＮＡＮＡTrrCUcKHAW
Column把數學記號當作是念魔咒120Please respect copyright.ＰＥＮＡＮＡBGaoz4NCwE
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第三課 記住「排列組合法」120Please respect copyright.ＰＥＮＡＮＡgK8GbhbHWx
從賽馬了解「排列」與「組合」120Please respect copyright.ＰＥＮＡＮＡeAX5AYnduI
Step①了解階乘的計算方法120Please respect copyright.ＰＥＮＡＮＡlNjI4DabX3
Step②了解排列的計算方法120Please respect copyright.ＰＥＮＡＮＡBs999yVZHH
Step③了解組合的計算方法120Please respect copyright.ＰＥＮＡＮＡaKwqFsufnD
了解「排列」與「組合」的式子120Please respect copyright.ＰＥＮＡＮＡ0qharzfwMD
「排列」和「組合」的符號是「P」和「C」120Please respect copyright.ＰＥＮＡＮＡNBjRkYwu3N
運用「排列」和「組合」排班表120Please respect copyright.ＰＥＮＡＮＡUftN7oYoFR
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第四課 搞懂「離散值」和「標準差」120Please respect copyright.ＰＥＮＡＮＡhgPn8uHUFJ
資訊分析的基礎是找到「數據的規則」120Please respect copyright.ＰＥＮＡＮＡrCdcufc3l3
兩個步驟找出離散程度120Please respect copyright.ＰＥＮＡＮＡsDcD2nNrRJ
平均、分散、標準差的深～度關係120Please respect copyright.ＰＥＮＡＮＡ60H2onDZxf
平均、離散、標準差的記號120Please respect copyright.ＰＥＮＡＮＡqQhY1oYXRb
試著用Excel計算標準差120Please respect copyright.ＰＥＮＡＮＡCtfDoJkuWU
也把「偏差值」的計算公式記起來120Please respect copyright.ＰＥＮＡＮＡjyQ22Xk9gY
附註內容①深奧的平均世界120Please respect copyright.ＰＥＮＡＮＡNieEJYCpvZ
附註內容②平均值、中位數、眾數120Please respect copyright.ＰＥＮＡＮＡSDf28cnc9g
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第三天 超爽快！掌握高中文組數學的「分析」！120Please respect copyright.ＰＥＮＡＮＡ705SRqZAY2
第一課 豁然開朗！函數的世界120Please respect copyright.ＰＥＮＡＮＡk9zGi0TIWs
函數與方程式的差別？120Please respect copyright.ＰＥＮＡＮＡ2DSSHj3msq
高中數學的4種函數120Please respect copyright.ＰＥＮＡＮＡtYJopQMCdI
Column少年西成的理科腦情書120Please respect copyright.ＰＥＮＡＮＡUEG3Na7eKH
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第二課 來複習二次函數！120Please respect copyright.ＰＥＮＡＮＡvQZSQuCl5f
速速複習！二次方程式120Please respect copyright.ＰＥＮＡＮＡkvbQYGvZGy
畫出二次函數的圖形！120Please respect copyright.ＰＥＮＡＮＡ8Yg3QiOd08
Column 物理學家是名偵探120Please respect copyright.ＰＥＮＡＮＡyp6xejtduk
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第三課 指數函數超好用！120Please respect copyright.ＰＥＮＡＮＡiZ7MhffYqu
記住指數函數的相關用語120Please respect copyright.ＰＥＮＡＮＡcpOauqfcQH
基本規則①乘冪相乘時，指數相加120Please respect copyright.ＰＥＮＡＮＡiTRpM5LCYQ
基本規則②乘冪再乘冪時，指數相乘120Please respect copyright.ＰＥＮＡＮＡQNhmSfDr3i
基本規則③乘冪相除時，指數相減120Please respect copyright.ＰＥＮＡＮＡhC6zl7k1Bw
指數是負數時會怎樣？120Please respect copyright.ＰＥＮＡＮＡWzhCX32SbO
指數是「0」的時候會怎樣？120Please respect copyright.ＰＥＮＡＮＡH5hidxIYJS
根號可以轉換成指數運算120Please respect copyright.ＰＥＮＡＮＡOEuOUGR1p4
統整指數運算的處理方式120Please respect copyright.ＰＥＮＡＮＡUd5VIabr91
將指數函數做成圖形看看！120Please respect copyright.ＰＥＮＡＮＡ9XYctvEkSM
順便來談談「對數函數」的內容120Please respect copyright.ＰＥＮＡＮＡqzz0u1ek7P
天文數字也可以處理的對數函數120Please respect copyright.ＰＥＮＡＮＡo44tQfzJrg
指數函數與音樂的深～度關係120Please respect copyright.ＰＥＮＡＮＡkPKOtQfnpE
用iPhone計算指數函數的方法120Please respect copyright.ＰＥＮＡＮＡnfkyERSCCG
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第四天 秒懂高中數學的「幾何」精髓！120Please respect copyright.ＰＥＮＡＮＡaFbEnsjZx6
第一課 不再霧煞煞的「三角比」120Please respect copyright.ＰＥＮＡＮＡXc99rYwQPB
以餘弦定理搞懂三角形120Please respect copyright.ＰＥＮＡＮＡ64kiWYijWt
畫三角形的「西成流」作法120Please respect copyright.ＰＥＮＡＮＡqXFvtUanRb
sin、cos、tan是指「邊長比」120Please respect copyright.ＰＥＮＡＮＡFwoHrxQIvO
忘掉tan的存在吧！120Please respect copyright.ＰＥＮＡＮＡNrycGOU0YL
直角三角形的定義中必要的θ120Please respect copyright.ＰＥＮＡＮＡEMAmPukql0
三角比經常出現的陷阱題120Please respect copyright.ＰＥＮＡＮＡOIbDJhJlXh
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第二課 俐落導出餘弦定理公式120Please respect copyright.ＰＥＮＡＮＡhNIFA2OhQX
用三角比可以做的事120Please respect copyright.ＰＥＮＡＮＡlRFIp6HU8o
導出餘弦定理①事前準備120Please respect copyright.ＰＥＮＡＮＡyL9jXaHfOi
導出餘弦定理②成立公式、解開120Please respect copyright.ＰＥＮＡＮＡhMNKDtg0oL
導出餘弦定理③證明sin2θ+ cos2θ= 1120Please respect copyright.ＰＥＮＡＮＡWtJuXsFhHN
導出餘弦定理④完成120Please respect copyright.ＰＥＮＡＮＡFKwz2t2JhX
餘弦定理與畢氏定理的關係120Please respect copyright.ＰＥＮＡＮＡLsjqfU3i2o
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第三課 學習最後的分析工具「三角函數」！120Please respect copyright.ＰＥＮＡＮＡG7bU2QNctq
三角函數只是將θ與y的關係圖像化120Please respect copyright.ＰＥＮＡＮＡMqJqE5ricK
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第五天 特別課程①：幾何的最終武器「向量」！120Please respect copyright.ＰＥＮＡＮＡTPtAD3eW8f
第一課 偉大的「向量」120Please respect copyright.ＰＥＮＡＮＡYiSUe9LdJt
用代數解幾何問題！？120Please respect copyright.ＰＥＮＡＮＡHLIaPYl6OE
「短短數行」就能證明餘弦定理120Please respect copyright.ＰＥＮＡＮＡvN0n7YcqlF
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第二課 了解「向量」的超嶄新概念120Please respect copyright.ＰＥＮＡＮＡ7kEyNGPiy6
向量是集結兩種資訊的「特殊容器」120Please respect copyright.ＰＥＮＡＮＡ3GYUIxxNHM
眾所熟知的「純量」120Please respect copyright.ＰＥＮＡＮＡPF3d0ylDCs
數據時代的主角「張量」120Please respect copyright.ＰＥＮＡＮＡBHBbklJpks
為什麼我們需要向量？120Please respect copyright.ＰＥＮＡＮＡgDP7Iy9a1C
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第三課 「向量」是用箭頭當作記號唷120Please respect copyright.ＰＥＮＡＮＡ2XXU2M861a
向量的書寫規則120Please respect copyright.ＰＥＮＡＮＡGwZwL9g0iX
張量的畫法120Please respect copyright.ＰＥＮＡＮＡn9InKDUjZZ
試著把向量畫成圖120Please respect copyright.ＰＥＮＡＮＡJsiGGfoyn6
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第四課 「向量」的計算超簡單！120Please respect copyright.ＰＥＮＡＮＡDYj9rexgKF
來算算向量的加法吧120Please respect copyright.ＰＥＮＡＮＡxHDOAwa73z
也來算算向量的減法120Please respect copyright.ＰＥＮＡＮＡBrOYSBBOJK
試著分解向量吧120Please respect copyright.ＰＥＮＡＮＡ9y658jw5Z8
試著挑戰向量的乘法120Please respect copyright.ＰＥＮＡＮＡKemcvAy2P5
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第五課 靠「向量」秒殺餘弦定理！120Please respect copyright.ＰＥＮＡＮＡB6X2mHeDFf
用向量瞬間導出餘弦定理！120Please respect copyright.ＰＥＮＡＮＡxBVX3Ith9a
不論幾次元都能處理的向量120Please respect copyright.ＰＥＮＡＮＡPh5g2vngXi
Column少年來了！（前篇）120Please respect copyright.ＰＥＮＡＮＡEUwtiHtKkl
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第6天 特別課程②：用「微積分」預測未來！120Please respect copyright.ＰＥＮＡＮＡg9LAG8xakr
第一課 人類的寶物！了解微分積分120Please respect copyright.ＰＥＮＡＮＡkJUVlVAHVF
微分積分與函數的關係120Please respect copyright.ＰＥＮＡＮＡxCKpfvmwCB
今天的主題是「三角形面積」120Please respect copyright.ＰＥＮＡＮＡqUoShM8kNa
牛頓VS萊布尼茲的仁義之戰120Please respect copyright.ＰＥＮＡＮＡrjkSh6KGKy
怎麼區分最合適？120Please respect copyright.ＰＥＮＡＮＡe7dm87raYO
用微積分計算三角形的面積！120Please respect copyright.ＰＥＮＡＮＡiw3jmBmWtn
來認識微分積分的符號120Please respect copyright.ＰＥＮＡＮＡgvdxufUbpw
Column少年來了！（後篇）120Please respect copyright.ＰＥＮＡＮＡitpb8fGKxv
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第二課 用Excel預測未來！120Please respect copyright.ＰＥＮＡＮＡD1IZAZ9lod
現代人，用Excel就能預測未來120Please respect copyright.ＰＥＮＡＮＡYjsL6aWF1d
掌握Excel的使用方法！120Please respect copyright.ＰＥＮＡＮＡDCBMC7MGHf
「數學家」、「AI」、「統計學家」的差別120Please respect copyright.ＰＥＮＡＮＡwgI7lbY7jq
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後記
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from《真希望高中數學這樣教：系列暢銷20萬冊！跟著東大教授的解題祕訣，6天掌握高中數學關鍵》
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實在沒辦法只作一頁截圖，所以把指數函數和音階的關係，全部截圖下來，放在這裡，也可以讓大家看到，這本書及其姐妹作《真希望國中數學這樣教：暢銷20萬冊！6天搞懂3年數學關鍵原理，跟著東大教授學，解題力大提升！》的寫作風格，就是這麼樸實無華輕鬆有趣。
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這本書以對話體呈現，採訪者提問，教授回答，文字就是對話和解釋，佐以圖表和插圖，內容雖然是數學，卻不枯燥 (至少對我而言)，看完以後是否能提升數學能力 and/or 對數學的興趣，就有待讀者自己發掘了。
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不喜歡數學，很多時候是過去的陰影 (對老師、對學校、對教法、對教材、對考試⋯⋯) 造成的，其實與數學本身無涉；數學是一種語言，跟生活經驗極其相關。
伽利略認為「自然寫在宇宙這本大書上，而這本書是用數學語言寫成的。」
生而為人，我覺得很幸運，可以用數學這個語言，試著了解宇宙的奧妙。
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以上心得，部分文字出自《真希望國中數學這樣教：暢銷20萬冊！6天搞懂3年數學關鍵原理，跟著東大教授學，解題力大提升！》網頁下方會員評鑑「有感而發」的書評，不用懷疑，那個「有感而發」就是我本人啦。
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點一下網頁的「有感而發」，就可以看到我在博客來寫的書評，連結如下：
https://www.books.com.tw/booksComment/memberComment/xxx1406281
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【十二年國教課程綱要：數學領域 (節錄)】
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【同場加映】108課綱 資訊網
https://shs.k12ea.gov.tw/site/12basic
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今天到此為止，我們明天見！！
ns18.116.60.81da2
